>
> What are the option available today of making two identical servers
> (both for example www.domain.com) and when one crash the
> second will be
> available or even better they both will share the load.
>
> And what if I want to put the Secondary server on other network so it
> will be available if the primary network is down ?
>
bit OT for the list but...
a year ago I had the same problem, I called my ISP (i.e. Ira) and he said
there are 2 options:
1) load balancer that dynamically routes traffic to best server. cost: circa
30,000$
I don't remember vendor names now, so just search the web for load
balalncers.
2) put 2 IP on the same name in the DNS, the round-robin algorithm takes
over and each user will be routed to a diffrent machine, 50% chance of
lending on the right one. cost:0$
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